Fix B2013-125: crash when adding SHE procedures

Modify 'AND' range transition to actual selection of user

PROMS/Volian.Controls.Library/DisplayFoldoutMaint.cs

@@ -50,11 +50,12 @@ namespace Volian.Controls.Library
 
 		private void FillInControls()
 		{
-			_Initializing = true;
 			// for this iteminfo, get the procedure and then the list of sections.  For any section, starting with 
 			// Foldout, add it to list:
 			if (MyItemInfo != null)
 			{
+				if (MyItemInfo.MyProcedure.Sections == null || MyItemInfo.MyProcedure.Sections.Count == 0) return;
+				_Initializing = true;
 				ProcedureInfo pi = MyItemInfo.MyProcedure;
 				listBoxFoldouts.Items.Clear();
 				lstCBSteps.Items.Clear();